Even in more recent days the records don't seem to be there. I had a 2000 regular cab Dakota R/T in Solar Yellow. The yellow was a carryover from 1999 and from what I understood there were only 5 regular cabs made in that color in 2000. Even the page above couldn't get the numbers.
http://www.440magnum-network.com/info/trucks/dakotart/2000dodgedakotart.shtml